docs: def change_to_count_endpoint(endpoint):
      """Utility function to change a normal endpoint to a ``count`` api
      endpoint. Returns the same endpoint if it's already a valid count endpoint.
      Args:
          endpoint (str): your api endpoint
  
      Returns:
          str: the modified endpoint for a count endpoint.
      """
  
      tokens = filter(lambda x: x != '', re.split("[/:]", endpoint))
      filt_tokens = list(filter(lambda x: x != "https", tokens))
      last = filt_tokens[-1].split('.')[0]  # removes .json on the endpoint
      filt_tokens[-1] = last  # changes from *.json -> '' for changing input
      if last == 'counts':
          return endpoint
      else:
          return "https://" + '/'.join(filt_tokens) + '/' + "counts.json"